
class Person {
    private String name;
    private int age;
    public Person() {}
    public Person(String name) {
        this.name = name;
    }
    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    @Override
    public String toString() {
        return "Person{name = " + name + ", age = " + age + "}";
    }
}
class Student extends Person{
    public Student() {}
    public Student(String name) {
        super(name);
    }
}
public class Test36 {
    public static void main(String[] args) {
        Student student = new Student("张三");
    }
}